Perhaps you should try some spelling variations:
"re communication theory" » "re communication technology", "de communication theory", "true communication theory", "une communication theory"
"_ decolonization islam" » "_ decolonization from", "_ decolonization _", "_ colonization israel", "decolonization _ islam"
"re colonization french" » "re creolization french", "re communication french", "re colonization references", "pro colonization french", "_ colonization french", "jews colonization french"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("re colonization french") OR ("_ decolonization islam"))) OR ("re communication theory"))~.
• Removing quotes may allow a broader search: (((( re colonization french ) or ( _ decolonization islam ))) or ( re communication theory ))~.
• Adding a wildcard symbol may retrieve word variants: (((("re colonization french") or ("_ decolonization islam"))) or ("re communication theory"))*.